ATIKA Journal — The Science of Skin Longevity

Antioxidant Supplements for Skin: Do They Actually Work?

Antioxidant supplements reach deeper skin layers through circulation and influence UV-induced redness, oxidative markers, tone, and hydration. This article reviews what controlled human studies act...

Glutathione: What It Does in Every Organ and Why Supplements Often Fall Short

Glutathione is key inside cells, but supplements rarely reach the skin intact. Learn what actually supports antioxidant balance, collagen, and long-term skin health.

How Do Internal Antioxidants Protect Your Skin From Oxidative Stress?

Oxidative stress begins damaging collagen and barrier lipids long before visible aging appears. This article explains how internal antioxidant systems complement topical care to support deeper skin...

How Does Pollution Cause Oxidative Stress — and What Helps Your Skin?

Pollution and sunlight create free radicals that add to daily oxidative stress in the skin. This article explains how oxidative stress affects collagen, barrier lipids, and cellular energy — and ho...

Blue Light, Digital Stress, and Your Skin: What We Know So Far

Blue light from screens isn’t as strong as UV, but research shows it can contribute to oxidative stress, pigmentation changes, and texture shifts over time. This article explains what HEV light act...

Topical vs Oral Vitamin C for Skin: What Actually Works?

A technical comparison of oral and topical vitamin C — how each reaches the skin, the layers they influence, the mechanisms they support, and the limitations of both routes. Explains why combining ...

How Long Do Antioxidants Take to Work for Skin? Realistic Timelines

Internal antioxidants don’t produce overnight changes. Human trials show distinct timelines: carotenoids and antioxidants rise within weeks, collagen and barrier changes emerge over 8–12 weeks, and...

Inside the Antioxidant Network: How ATIKA’s System Is Built

ATIKA Advanced Skin Nutrition isn’t built around a single “hero” antioxidant. It uses a coordinated network of carotenoids, polyphenols, vitamin C and mineral cofactors to support antioxidant defen...

Oxidative Stress, Skin, and Internal Antioxidant Support

Oxidative stress is one of the main drivers of collagen loss, barrier disruption and uneven tone in skin. This article explains how ROS are generated, why topical antioxidants can only reach part o...

Carotenoid Supplements for Skin: What Human Studies Actually Show

Carotenoids such as beta-carotene, lycopene, lutein, and zeaxanthin accumulate in the skin and influence how it responds to UV and oxidative stress. This overview summarizes what controlled human s...